Carrier SmartVu control Manual page 4

PREFACE
The goal of this document is to give a broad overview of the main
functions of the control system used to control 30RBS air-cooled
liquid chillers and 30RQS reversible heat pumps with 39 to 160 kW
cooling/heating capacity.
Instructions in this manual are given as a guide to good practice
in the installation, start-up and operation of the control system.
This document does not contain full service procedures for the
correct operation of the equipment.
The support of a qualified Service Engineer is strongly
recommended to ensure optimal operation of the equipment as
well as the optimization of all available functionalities.
CAUTION: Heating option! Heating option applies to cooling-
only units fitted with a boiler and heat pumps.
Note that this document may refer to optional components and
certain functions, options or accessories may not be available for
the specific unit. The cover images are solely for illustration and
form no part of any offer for sale or any sale contract.
IMPORTANT: All screenshots of the user interface provided
in this manual include text in English. After changing the
language of the system, all labels will be in the language
selected by the user.
Please read all instructions prior to proceeding with any work. Pay
attention to all safety warnings.
The information provided herein is solely for the purpose of allowing
customers to operate and service the equipment and it is not to
be reproduced, modified or used for any other purpose without the
prior consent of the Manufacturer.
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Acronyms/abbreviations
In this manual, the refrigeration circuits are called circuit A and
circuit B. Compressors in circuit A are labelled A1, A2, A3, whereas
compressors in circuit B are labelled B1, B2.
BMS Building Management System
CCN Carrier Comfort Network
DCFC Dry Cooler Free Cooling
DGT Discharge Gas Temperature
EXV Electronic Expansion Valve
EHS Electric Heater Stage
FC Free cooling
OAT Outdoor Air Temperature
LED Light Emitting Diode
LEN Sensor Bus (internal communication bus linking the
basic board to slave boards)
SCT Saturated Condensing Temperature
SST Saturated Suction Temperature
Operating modes:
Network mode/Net Operating type: Network
Local-Off/LOFF Operating type: Local Off
Local-On/L-C Operating type: Local On mode
Local-Schedule/L-SC Operating type: Local On following
a time schedule
Master mode/Mast Operating type: Master unit (master/
slave assembly)
Remote mode/Rem Operating type: Remote contacts